| |||
| branch circuit; lighting wire; guiding of light | |||
| light-piping | |||
| lighting wiring; lighting leads; lighting mains | |||
| light circuit | |||
| light conduction; conduction of light (fibre optics); guidance of light (fibre optics) | |||
| light wiring; lighting circuit | |||
| |||
| mains | |||
|
Lichtleitung : 1 phrase in 1 subject |
| Optics branch of physics | 1 |